Elements of Astronomy, Descriptive and Physical: In which the General Phenomena of the Heavenly Bodies and the Theory of the Tides are Familiarly Explained, and Illustrated by Numerous Diagrams from Engravings on Copper Plates ... Intended for Schools, Academies, Seminaries for Young Ladies, Lyceums, and for Private ReadingDorr, Howland, & Company, 1834 - 144 sidor |
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Sida 11
... move- ments of material worlds . Practical Astronomy relates to Astronomical Instruments and Observations , and will be omitted in this elementary treatise . Among the celestial bodies , the Sun and Moon are termed luminaries ; the ...
... move- ments of material worlds . Practical Astronomy relates to Astronomical Instruments and Observations , and will be omitted in this elementary treatise . Among the celestial bodies , the Sun and Moon are termed luminaries ; the ...
Sida 13
... moves towards the constellation Her- cules , is inferred from the divergency of stars in that direction , and the convergency of stars in the opposite direction . What description can be given of these spots ? What is Herschel's opinion ...
... moves towards the constellation Her- cules , is inferred from the divergency of stars in that direction , and the convergency of stars in the opposite direction . What description can be given of these spots ? What is Herschel's opinion ...
Sida 19
... moves above 50 thousand miles the hour , and enjoys about half as much light from the Sun , as the Earth . Mars has an uncommonly red appearance , which is occa- sioned by the great density of its atmosphere . This accounts for the ...
... moves above 50 thousand miles the hour , and enjoys about half as much light from the Sun , as the Earth . Mars has an uncommonly red appearance , which is occa- sioned by the great density of its atmosphere . This accounts for the ...
Sida 22
... moves , mathematically demonstrated . From the periods of their revolution , the density of Jupiter can be estimated , and the correctness Is Jupiter more spheroidal than the Earth ? Why ? What are seen on its disc ? What is the ...
... moves , mathematically demonstrated . From the periods of their revolution , the density of Jupiter can be estimated , and the correctness Is Jupiter more spheroidal than the Earth ? Why ? What are seen on its disc ? What is the ...
Sida 23
... moves , would be found to be nearly two hundred thousand miles the second . CHAPTER VI . SATURN . HALF a century ago , Saturn was the remotest planet from the Sun , which had been discovered ; How distant from the primary , and how long ...
... moves , would be found to be nearly two hundred thousand miles the second . CHAPTER VI . SATURN . HALF a century ago , Saturn was the remotest planet from the Sun , which had been discovered ; How distant from the primary , and how long ...
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95 millions A M Total ABERRATION OF LIGHT altitude angle annular annular eclipse aphelion apparent diameter Aries Astronomy atmosphere attraction brass meridian called Capricornus celestial centre century CHAPTER comets constellations degrees density disc Dominical letter double stars Earth's axis east elevated equal Equator fixed stars given place heavenly bodies heavens Herschel horizon Jupiter Latitude less longest Longitude luminary luminous lunar eclipses magnitude Mars material worlds mean distance Mercury miles the hour millions of miles minutes Moon's moral motion nearest nodes observed opposite orbit organs of vision parallax perihelion period planets pole primary reckoned refraction revolution revolves round right ascension rotation round the Sun satellites Saturn set the index siderial solar eclipse solstice southern hemisphere Sun's place supposed surface tance telescope thousand miles tides tion torrid zone transit of Venus true place turn the globe twilight velocity vernal equinox visible Zodiac
Populära avsnitt
Sida 108 - These are thy glorious works, Parent of good, Almighty, thine this universal frame, Thus wondrous fair; thyself how wondrous then ! Unspeakable, who sitt'st above these heavens, To us invisible, or dimly seen In these thy lowest works; yet these declare Thy goodness beyond thought, and power divine.
Sida 140 - Behold I have given you every herb bearing seed, which is upon the face of all the earth, and every tree in the which is the fruit of a tree yielding seed, to you it shall be for meat.
Sida 2 - BBOWN, of the said district, hath deposited in this office the title of a book, the right whereof he claims as author, in the words following, to wit : " Sertorius : or, the Roman Patriot.
Sida 105 - Hitherto shalt thou come and no farther, and here shall thy proud waves be stayed.
Sida 63 - evidence of things not seen," in the fulness of Divine grace ; and was profound on this, the greatest concern of human life, while unable even to comprehend how the " inclination of the earth's axis to the plane of its orbit" could be the cause of the change of the seasons.
Sida 119 - Rectify the globe to the latitude of the place; bring the sun's place in the ecliptic to the meridian, and set the index to XII.
Sida 26 - THERE is not, perhaps, another object in the heavens that presents us with such a variety of extraordinary phenomena as the planet Saturn. A magnificent globe, encompassed by a stupendous double ring, attended by seven satellites, ornamented with equatorial belts, compressed at the poles; turning...
Sida 84 - The squares of the periods of revolution of any two planets are proportional to the cubes of their mean distances from the sun.
Sida 69 - In northern Latitudes, the smallest angle made by the Ecliptic and horizon, is when Aries rises, at which time Libra sets ; the greatest, when Libra rises, at which time Aries sets.
Sida 2 - In conformity to the act of Congress of the United States, entitled, " An act for the encouragement of learning, by securing the copies of maps, charts and books, to the authors and proprietors of such copies, during the times therein mentioned ;